Witherbloom, the Balancer, Storm-Kiln Artist, and Lab Rats

Prerequisites

• Witherbloom, the Balancer on the battlefield
• Storm-Kiln Artist on the battlefield
• Lab Rats in hand

Steps

1. Cast Lab Rats with buyback by paying due to its affinity for creatures
2. Storm-Kiln Aritst triggers, creating a Treasure token
3. Resolve Lab Rats, creating a creature token and returning Lab Rats to your hand
4. Activate the Treasure by tapping and sacrificing it, adding
5. Repeat

Results

• Infinite ETB
• Infinite magecraft triggers
• Infinite storm count
• Infinite tapped creature tokens